projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 316670eb | 2 | * Copyright (c) 2011 Apple Computer, Inc. All rights reserved. |
| 1c79356b | 3 | * |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b | 27 | */ |
| 91447636 | 28 | |
| 316670eb A |
29 | // extern uint64_t timer_period; |
| 30 | extern void kperf_timer_reprogram(void); | |
| 31 | extern void kperf_timer_reprogram_all(void); | |
| 1c79356b | 32 | |
| 1c79356b | 33 | |
| 316670eb A |
34 | // return values from the action |
| 35 | #define TIMER_REPROGRAM (0) | |
| 36 | #define TIMER_STOP (1) | |
| 1c79356b | 37 | |
| 39236c6e | 38 | /* getters and setters on timers */ |
| 316670eb A |
39 | extern unsigned kperf_timer_get_count(void); |
| 40 | extern int kperf_timer_set_count(unsigned count); | |
| 1c79356b | 41 | |
| 316670eb A |
42 | extern int kperf_timer_get_period( unsigned timer, uint64_t *period ); |
| 43 | extern int kperf_timer_set_period( unsigned timer, uint64_t period ); | |
| 1c79356b | 44 | |
| 39236c6e A |
45 | extern int kperf_timer_get_action( unsigned timer, uint32_t *action ); |
| 46 | extern int kperf_timer_set_action( unsigned timer, uint32_t action ); | |
| 47 | ||
| 316670eb A |
48 | extern int kperf_timer_go(void); |
| 49 | extern int kperf_timer_stop(void); | |
| 1c79356b | 50 | |
| 316670eb A |
51 | extern unsigned kperf_timer_get_petid(void); |
| 52 | extern int kperf_timer_set_petid(unsigned count); | |
| 91447636 | 53 | |
| 316670eb | 54 | /* so PET thread can re-arm the timer */ |
| 39236c6e | 55 | extern int kperf_timer_pet_set( unsigned timer, uint64_t elapsed_ticks ); |